Home / 316,721.24-437,075.50-173,483.68

Finding the Fourth Proportional to 316,721.24, 437,075.50 and 173,483.68

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Solution

The fourth proportional to 316,721.24, 437,075.50 and 173,483.68 is: 239,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,721.24 : 437,075.50 = 173,483.68 : x
  2. Step 2: Convert to fraction form
    316,721.24/437,075.50 = 173,483.68/x
  3. Step 3: Cross multiply
    316,721.24x = 437,075.50 × 173,483.68
  4. Step 4: Simplify right side
    316,721.24x = 75,825,466,177.84
  5. Step 5: Solve for x
    x = 75,825,466,177.84/316,721.24
  6. Step 6: Final answer
    x = 239,407.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.